Home / 220,440.01-328,830.03-213,060.45

Finding the Fourth Proportional to 220,440.01, 328,830.03 and 213,060.45

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Solution

The fourth proportional to 220,440.01, 328,830.03 and 213,060.45 is: 317,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,440.01 : 328,830.03 = 213,060.45 : x
  2. Step 2: Convert to fraction form
    220,440.01/328,830.03 = 213,060.45/x
  3. Step 3: Cross multiply
    220,440.01x = 328,830.03 × 213,060.45
  4. Step 4: Simplify right side
    220,440.01x = 70,060,674,473.59
  5. Step 5: Solve for x
    x = 70,060,674,473.59/220,440.01
  6. Step 6: Final answer
    x = 317,821.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.